Choosing an International School in Thailand: Curricula, Fees and Admissions
Three Questions Before the School List
Answer three questions before touring schools: where will the child go to university (UK and Commonwealth, North America, or elsewhere), what is the realistic annual budget (add 15%-25% on top of tuition for the extras), and where will you live (a one-way commute over 45 minutes in Bangkok erodes family life). With direction set, the shortlist writes itself. Verify each school's current policies on its official site.
British, American or IB?
| System | Character | Examples |
|---|---|---|
| British | Structured progression, IGCSE + A-Levels, pointing to UK and Commonwealth universities | Shrewsbury, Harrow, Bangkok Patana (largely British) |
| American | Credit system with AP courses, breadth-focused, pointing to North America | ISB, Ruamrudee (RIS) |
| IB | PYP/MYP/DP continuum, globally recognized, heavy workload | NIST, UWC Thailand (Phuket), plus many schools offering IBDP at the top |
Practical note: many schools are hybrids (British lower years with an IBDP sixth form), so look first at what diploma the high school section awards. For university pathways from Thailand, see our university pathway guide.
What Does It Really Cost?
- Top-tier schools (ISB, NIST, Shrewsbury, Harrow): roughly 700,000-1,000,000 THB per year at high school level, 20%-30% less in primary
- Mid-tier international schools: roughly 300,000-600,000 THB per year; the gap with top-tier is mostly teacher turnover and facilities
- Bilingual schools (EP programs): roughly 100,000-300,000 THB per year with substantial Thai-language instruction — suited to families settling long-term
- Beyond tuition: one-time registration and development fees (tens to hundreds of thousands of baht, mostly non-refundable), school bus (40,000-80,000 THB/year), uniforms, lunches and activities
The Admissions Process
- Start 6-12 months ahead: popular schools run waiting lists at popular year levels; the main entry windows are the August new year and January mid-year
- Documents: two years of transcripts (in English or translated), references, passport and visa pages; birth certificate and vaccination records for younger children
- Testing: English and math assessments, plus interviews for older students. Below-threshold English routes into EAL (English support) classes — and limited EAL seats decide admissions outright at some schools
- Offer and deposit: registration fees are due within a deadline to secure the seat, after which it passes to the waitlist
- Timing transfers: avoid joining mid-IGCSE (Years 10-11) in the British system or the second year of the IB Diploma — the highest-friction entry points
Visas for Accompanying Parents
The enrolled child holds a student visa (Non-Immigrant ED), and one parent can hold a guardian visa (Non-Immigrant O) to accompany them legally: school enrollment letter, kinship documents and a bank balance requirement (market practice: 500,000 THB seasoned in a personal account), renewed annually. Key points:
- Typically one guardian visa per enrolled child; the other parent can consider Privilege or DTV options — see our Privilege visa guide
- The guardian visa carries no work permission — employment in Thailand is off the table while on it
- School paperwork and visa paperwork interlock; timelines and details are in our enrollment and guardian visa guide
What to Check on a School Tour
- Teacher turnover: ask directly for average expatriate teacher tenure — high churn is the biggest hidden quality risk
- Student mix: an "international" school dominated by a single nationality dilutes the language environment
- Real results: ask for the distribution of graduate destinations and IBDP averages or A-Level grade profiles, not showcase admits
- Commute test: drive the school run at actual school-run hours — Bangkok rush hour bears no relation to map estimates
FAQ
Can a child with no English enter an international school?
In early years (kindergarten through lower primary), usually yes — young children catch up fast. From upper primary onward most schools require passing the English assessment or entering EAL, and some top schools simply decline zero-English transfers. A common route for older children is a year in a bilingual school or intensive program before switching tracks.
Are there age cutoffs and seat deadlines?
Year placement follows date of birth (September 1 cutoff in the British system; American schools vary), and cross-system transfers may be placed half a year or a year lower. At popular schools, offers give only a week or two to pay the registration fee before the seat moves to the waitlist — have funds ready.
Is a bilingual school a false economy?
It depends on the family plan. For families rooted in Thailand who want strong Thai, bilingual schools are excellent value. For families targeting overseas universities, the high-school diplomas (A-Level/IBDP/AP) and full-English academic training are hard to replicate in bilingual programs — the common pattern is bilingual primary, international secondary, with a year of preparation for the switch.
Need Help?
TaiHuBang provides end-to-end school support: school selection advice and tour booking, application document preparation and translation, student and guardian visa processing with renewal reminders. See our visa services, or submit an inquiry — a consultant will reply within 24 hours.